This simple organism is spherical and covered with dozens of sharp spines, from which it bears its name. The Needler’s spikes contain a painful toxin that will result in necrosis in high enough doses. For this reason, most predators tend to avoid the Needler, although the Gullugg has evolved a special spike beneath its head, allowing it to bypass the Needler’s spines.
Underneath the Needler’s shell is a sticky foot covered in short hairs that excrete a sticky fluid, allowing the Needler to crawl on nearly any surface. The Needler feeds on fungus and bacteria that grow on the cave walls.